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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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  if (typeof exports == "object" && typeof module == "object") // CommonJS
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    mod(require("../../lib/codemirror"));
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  else if (typeof define == "function" && define.amd) // AMD
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    define(["../../lib/codemirror"], mod);
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  else // Plain browser env
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    mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("q",function(config){
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  var indentUnit=config.indentUnit,
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      curPunc,
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      keywords=buildRE(["abs","acos","aj","aj0","all","and","any","asc","asin","asof","atan","attr","avg","avgs","bin","by","ceiling","cols","cor","cos","count","cov","cross","csv","cut","delete","deltas","desc","dev","differ","distinct","div","do","each","ej","enlist","eval","except","exec","exit","exp","fby","fills","first","fkeys","flip","floor","from","get","getenv","group","gtime","hclose","hcount","hdel","hopen","hsym","iasc","idesc","if","ij","in","insert","inter","inv","key","keys","last","like","list","lj","load","log","lower","lsq","ltime","ltrim","mavg","max","maxs","mcount","md5","mdev","med","meta","min","mins","mmax","mmin","mmu","mod","msum","neg","next","not","null","or","over","parse","peach","pj","plist","prd","prds","prev","prior","rand","rank","ratios","raze","read0","read1","reciprocal","reverse","rload","rotate","rsave","rtrim","save","scan","select","set","setenv","show","signum","sin","sqrt","ss","ssr","string","sublist","sum","sums","sv","system","tables","tan","til","trim","txf","type","uj","ungroup","union","update","upper","upsert","value","var","view","views","vs","wavg","where","where","while","within","wj","wj1","wsum","xasc","xbar","xcol","xcols","xdesc","xexp","xgroup","xkey","xlog","xprev","xrank"]),
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      E=/[|/&^!+:\\\-*%$=~#;@><,?_\'\"\[\(\]\)\s{}]/;
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  function buildRE(w){return new RegExp("^("+w.join("|")+")$");}
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  function tokenBase(stream,state){
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    var sol=stream.sol(),c=stream.next();
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    curPunc=null;
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    if(sol)
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      if(c=="/")
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        return(state.tokenize=tokenLineComment)(stream,state);
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      else if(c=="\\"){
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        if(stream.eol()||/\s/.test(stream.peek()))
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          return stream.skipToEnd(),/^\\\s*$/.test(stream.current())?(state.tokenize=tokenCommentToEOF)(stream):state.tokenize=tokenBase,"comment";
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        else
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          return state.tokenize=tokenBase,"builtin";
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      }
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    if(/\s/.test(c))
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      return stream.peek()=="/"?(stream.skipToEnd(),"comment"):"whitespace";
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    if(c=='"')
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      return(state.tokenize=tokenString)(stream,state);
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    if(c=='`')
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      return stream.eatWhile(/[A-Za-z\d_:\/.]/),"symbol";
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    if(("."==c&&/\d/.test(stream.peek()))||/\d/.test(c)){
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      var t=null;
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      stream.backUp(1);
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      if(stream.match(/^\d{4}\.\d{2}(m|\.\d{2}([DT](\d{2}(:\d{2}(:\d{2}(\.\d{1,9})?)?)?)?)?)/)
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      || stream.match(/^\d+D(\d{2}(:\d{2}(:\d{2}(\.\d{1,9})?)?)?)/)
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      || stream.match(/^\d{2}:\d{2}(:\d{2}(\.\d{1,9})?)?/)
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      || stream.match(/^\d+[ptuv]{1}/))
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        t="temporal";
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      else if(stream.match(/^0[NwW]{1}/)
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      || stream.match(/^0x[\da-fA-F]*/)
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      || stream.match(/^[01]+[b]{1}/)
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      || stream.match(/^\d+[chijn]{1}/)
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      || stream.match(/-?\d*(\.\d*)?(e[+\-]?\d+)?(e|f)?/))
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        t="number";
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      return(t&&(!(c=stream.peek())||E.test(c)))?t:(stream.next(),"error");
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    }
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    if(/[A-Za-z]|\./.test(c))
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      return stream.eatWhile(/[A-Za-z._\d]/),keywords.test(stream.current())?"keyword":"variable";
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    if(/[|/&^!+:\\\-*%$=~#;@><\.,?_\']/.test(c))
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      return null;
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    if(/[{}\(\[\]\)]/.test(c))
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      return null;
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    return"error";
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  }
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  function tokenLineComment(stream,state){
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    return stream.skipToEnd(),/\/\s*$/.test(stream.current())?(state.tokenize=tokenBlockComment)(stream,state):(state.tokenize=tokenBase),"comment";
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  }
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  function tokenBlockComment(stream,state){
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    var f=stream.sol()&&stream.peek()=="\\";
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    stream.skipToEnd();
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    if(f&&/^\\\s*$/.test(stream.current()))
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      state.tokenize=tokenBase;
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    return"comment";
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  }
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  function tokenCommentToEOF(stream){return stream.skipToEnd(),"comment";}
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  function tokenString(stream,state){
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    var escaped=false,next,end=false;
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    while((next=stream.next())){
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      if(next=="\""&&!escaped){end=true;break;}
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      escaped=!escaped&&next=="\\";
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    }
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    if(end)state.tokenize=tokenBase;
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    return"string";
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  }
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  function pushContext(state,type,col){state.context={prev:state.context,indent:state.indent,col:col,type:type};}
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  function popContext(state){state.indent=state.context.indent;state.context=state.context.prev;}
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  return{
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    startState:function(){
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      return{tokenize:tokenBase,
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             context:null,
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             indent:0,
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             col:0};
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    },
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    token:function(stream,state){
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      if(stream.sol()){
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        if(state.context&&state.context.align==null)
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          state.context.align=false;
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        state.indent=stream.indentation();
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      }
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      //if (stream.eatSpace()) return null;
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      var style=state.tokenize(stream,state);
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      if(style!="comment"&&state.context&&state.context.align==null&&state.context.type!="pattern"){
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        state.context.align=true;
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      }
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      if(curPunc=="(")pushContext(state,")",stream.column());
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      else if(curPunc=="[")pushContext(state,"]",stream.column());
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      else if(curPunc=="{")pushContext(state,"}",stream.column());
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      else if(/[\]\}\)]/.test(curPunc)){
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        while(state.context&&state.context.type=="pattern")popContext(state);
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        if(state.context&&curPunc==state.context.type)popContext(state);
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      }
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      else if(curPunc=="."&&state.context&&state.context.type=="pattern")popContext(state);
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      else if(/atom|string|variable/.test(style)&&state.context){
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        if(/[\}\]]/.test(state.context.type))
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          pushContext(state,"pattern",stream.column());
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        else if(state.context.type=="pattern"&&!state.context.align){
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          state.context.align=true;
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          state.context.col=stream.column();
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        }
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      }
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      return style;
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    },
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    indent:function(state,textAfter){
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      var firstChar=textAfter&&textAfter.charAt(0);
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      var context=state.context;
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      if(/[\]\}]/.test(firstChar))
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        while (context&&context.type=="pattern")context=context.prev;
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      var closing=context&&firstChar==context.type;
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      if(!context)
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        return 0;
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      else if(context.type=="pattern")
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        return context.col;
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      else if(context.align)
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        return context.col+(closing?0:1);
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      else
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        return context.indent+(closing?0:indentUnit);
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    }
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  };
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});
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CodeMirror.defineMIME("text/x-q","q");
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});
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